Starwatch: Catch the Orionid meteor shower streak across the night sky

by | Oct 21, 2026 | Science

Starwatch: Catch the Orionid meteor shower streak across the night sky

The Orionid meteor shower reaches its peak during the night of 21–22 October, providing an opportunity for observers to witness fragments from Halley’s comet entering Earth’s atmosphere. This annual celestial event occurs as the planet travels through a debris field left by the historic comet. The particles enter the atmosphere at approximately 66 kilometres per second, colliding with air molecules and creating the luminous streaks commonly referred to as meteors.

Under favorable viewing conditions, skywatchers may observe between 10 and 20 Orionid meteors per hour. However, observing conditions this year are complicated by the presence of a bright waxing gibbous Moon, which will significantly reduce the visibility of fainter meteors by brightening the night sky.

Despite the lunar interference during evening hours, conditions become more favorable in the early morning. The moon is expected to set at approximately 03:00 BST, creating a window of darker skies before dawn. During this period, Orion will be positioned high in the night sky, making it an optimal viewing window. Observers are advised to locate a position with an expansive, unobstructed view of the sky and observe using only the naked eye, without optical equipment. The meteors appear to radiate from a point near the constellation Orion.

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